G
- (County Leitrim) Greaghnafarna
- (Sligo) Glen
- (Sligo) Garoke
- (County Leitrim) Gortnacorkoge
- (County Leitrim) Garvagh Glebe
- (County Leitrim) Gortatresk
- (County Leitrim) Geskanagh Glebe
- (County Leitrim) Greenaun
- (County Leitrim) Garvagh
- (County Leitrim) Greagh
- (Mayo County) Gweesalia
- (County Leitrim) Gubnaveagh
- (Roscommon) Greaghnageeragh
- (Roscommon) Granny
- (Roscommon) Grange
- (County Galway) Grange
- (Mayo County) Graffy
- (Mayo County) Graffy
- (County Galway) Gowlaun
- (County Galway) Gowla
- (County Galway) Gortmore
- (County Galway) Gortmore
- (Roscommon) Gortfree
- (County Galway) Gorteeny
- (County Galway) Gorteen
- (Mayo County) Gortbaun
- (County Galway) Glinsk
- (County Galway) Glinsk
- (Mayo County) Glentavraun
- (Mayo County) Glenmullynaha Cross Roads